Bolt-trimming machine



June 17,1930. 'w. CLOUSE 1,763,759

' BOLT TRIMMING MACHINE Filed Nov. 13 1926 4 Sheets-Sheet 1 7, 3 .1; 4' m Y L 1% T3; I 7 q MIMI! l'l lillvllllllll l I I I! lllilll| a o v yen H301;

Clause Jun '17, 1930. w. L. cLousE BOLT TRIMMING momma Filed Nov. 15, 1926 4 Sheets-Sheet 2 June 17, 1930. CLQUSE 1,763,759

BOLT TRIMMING MACHINE Filed Nov. 13, 1926 4 Sheets-Sheet 5 m miiiiiiifliiiiii Clause Patented June 17, 1930 1mm s'r 'r eis WILLIAM L. GLOUSE, OF TIFFIN, onto, n'ssIGNoRTo THE N'ATIORAL mhehm'xm? ea, 7

0F TI FImoHIb I r i v v e BoLT-Tm MIn'G MACHIN ble 'to providean athustahle means whereby fiashings can be rein'o'ved from heal-ale 'of different sizes; the sn'rplns metal hafs gen- "efaliy heen cilt away from the head in the direction of the 'bolt shank, thereby leaving elm-p and iag ed edigesnpon the head; the sur lus metal has usually heen disposed of in such a Way that, when removed from the head, it has tend-ed to dog and interfere with the epemion of the dies 3' mad fdiffieulty v ha been expeifieneed ih pdsitiening the bolt heads accurately relative to the dies in a high speed machine. 7

It is an 'ohje'ctof the presentinv'entieh to provide a machine for trimming bolt heads which does nothave any ef the di advantages heretofo'ie enumerated. e v

Another object is to provide a ine'chin'e of this character having a special arran em nt Of dies, spacers and rippers to which the bolt heads are fed in'r'apid succession, there being simple and 'efiicie'nt means fer rotating the heads, if nece'seery, to properly position.

them between the dies; w r

A still further object isto utilize a movnhie die as a means fOT feeding holt heads to proper position relative to alto-E the 'd'i' nmnbei-s anl to 1 fphingeli associated theie With. V

A still further object is to mo'nnt the dies in a novel manner Wherehy they eat be easily ndjn'sted t-o 00% heads ot 'd-ifere-nt sizes simply hy displacing one of the the Tne'mhers or cutters with another one of a 'c fleTen-t size.

With the foregoing and other ohject-s in View which will appear as the description 'pi'ec'eed's, the invention resides in the eomhination and arrangement of parts and in the details of construction heteimfter described Q and maimed, it being nhcte'rst'odd that (:hah'g'es in the precise emho'diment of the invention herein 'd'isel'osel" may be made within the 'seo pe of what is claimed, without deqaarting fr m the spirit eftheinventien. t

In th accompanying drawings the referred terms of the invention have been shmm, r

In said drawings,

adjacent parts constituting the present invent'lon', a portion of the machine being shown 1n section.

Figme 2 is a detafl View of the mechanism 1 employed for actuating the mbvahledie.

Figufe 3 ts enlarged lan view of the grippers and NH a ent parts.

I Figure 4 1s "a pian view Of the cu'tting d ies.

Figure 5 is section on1ine 5 5, Figute 3 Fig't'i're 6 is a. section en line ts- 6, Figure 3. Figure 7 is a section on line 74 Figer'e Figure 8 is a "View showing in dete'il'a meat fied arrang ment of c ties.

Figure 9 is a ei'mfl-ar View showing another armhgement of dies. v A 'Rei'eering to the ii gnfiee by ehehaeteis et reference 1 designates it pbm'on "6f 1311 6 main st-ri'lett'i-i' e e1 the machine ibibvidedwith p'a'rt l tel guides 2 adapted to suppoft the-needs "of bolts w he 't'rimmeth sai d bplt's wr ng then shanks hanging flewnwardiy hetween the guides and shid guides pei fnittihg the bhits t0 gravitate therefrom into pesiti'bn for enagement by the movableeie 0% the trimming mechanism. These guides have combined with them an automatic release mechanism indicated generally at 3 but inaeinueh es the guides and release mechanism cohs'tithte no part oft-he p resentinventieh but l e-ve 'heen made the basis of anetherepphcatmh filedby me on N 0'i7emhet13, 199/6, Serial Number '148,'2'88', it is not deemed neceesaty ti) describe and ill't istr late'th'e seine in fletxfl.

I An arm 4 is pivet'zflly mounteel at 5 adj aeeht 5 r Q 6e Fig-nee 1 me pia'n view ofthe dies and jaw 6 back and forth across the end of the guides 2. For the purpose of actuating shaft 9 mechanism such as illustrated in Figure 2 can be employed although it is to be understood that other means for this purpose might be used. The illustrated structure includes a radial arm 10 extending from shaft 9 and carrying a roller 11. This roller bears upon the periphery of a cam 12 secured to a drive shaft 13. Another arm 14 radiates from shaft 9 and has a rod 15 pivotally connected thereto and slidable within a guide 16. A spring 17 is mounted on the rod and bears against arm 14 and guide 16 respectively, thereby acting to hold roller 11 constantly in engagement with cam 12. It will be apparent, therefore, that the spring 17 constitutes a yielding means for straightening the toggle formed by arm 8 and link 7 and moving the jaw 6 toward the right in Figures 1 and 3. Retraction of the jaw is efiected positively by pressure of the rotating cam 12 against roller 11. providing a yielding means for advancing jaw 6 it becomes possible for said jaw to yield during its advancing movement should such movement be retarded by any object in the path of the j aw.

The main structure 1 of the machine includes a bed plate 18 having a bolt receiving opening 19 therethrough. Adjacent this opening is a bolster plate 20 arranged laterally beyond the guides 2 and formed in its upper face with a central channel 21, with a second channel 22 extending at right angles to one end portion of the channel 21, and with a third channel 23 arranged at approximately 45 to the channel 21. At the outer end of each of these channels is a lug 24 in which are mounted superposed adjusting screws 25 and26 extending into the channel. Seated in the channel 21 is a fiat steel bar 27 forming the intermediate stationary die of the trimming mechanism, this die bearing, at its outer end or butt end against the adjacent screw 26. The other end of the said die, which carries the cutting edge 28 slightly overhangs the adjacent edge of the bolster plate 20 and also overhangs the opening 19 in the bed plate 18. Seated in the channel 22 is a side die 29 preferably in the form of a flat bar of steel the outer end of which abuts against the screw 26 at the end of said channel 22 while the inner end slightly overhangs the opening 19 and the wall of the bolt receiving opening 30 in the bolster plate. The inner or cutting end of this side die 29 also abuts against one side of the cutting end of die 27. Seated in the third channel 23 is another side die 31 the outer end of which abuts against the adjacent screw 26 while the inner or cutting edge slightly overhangs the openings 30 and 19. This die likewise bears against one side of the intermediate die 27 and, in the structure illustrated in F igure 4 has its cutting edge parallel with the sides of the die 27. Thus it will be seen that a rectangular recess is formed between the cutting edges of the three dies.

The j aw 6 is movable toward and from the dies 27, 29, and 31 and carries, in its advancing face, a die 3 in the form of the removable block adapted, when the jaw reaches one limit of its movement, to bridge the rectangular space 33 betwen the dies and to contact with the cutting end portions of the dies 29 and 31.

In practice it is designed to provide a space 33 of the same size and proportions as those of a finished bolt head. \Vhere larger bolt heads are to be used a wider die 27 can be positioned in the channel 21 and the dies 31 and 29 can be adjusted away from each other the distance necessary to receive this wider die between them. Or, if a smaller bolt head is to be trimmed a narrower die 27 can be used and the dies 29 and 31 can be adjusted toward each other. Obviously, therefore, the machine can be adjusted to trim bolt heads of different sizes simply by changing the size of the single fiat strip or die 27. The other dies 29, 31 and 32 can be used with all sizes of bolt heads provided they are of the same shape.

For the purpose of directing bolts from the guides 2 into the path of the feeding die 32 a curved deflecting tongue 34 is positioned adjacent the outlet ends of the guides but be low the path of die 32. This has been shown clearly in Figures 6 and 7. Secured to the jaw 6 is a gripper plate 36 the end of which is spaced above but substantially flush with the cutting face of die 32. The distance between this die 32 and the bottom face of the gripper 36 is slightly greater than the thickness of the flashing F of a bolt head H to be trimmed.

Mounted on the die 29 is a spacer 37 terminating back from the cutting edge of the die and other spacers 38 and 39 are mounted on the dies 27 and 31 respectively and spaced backwardly from the cutting edges of the dies. Mounted on the spacer 37 is a gripper 40 the inner end of which is substantially flush with the cutting edge of die 29. This gripper has a wing 41 extending laterally therefrom and over the path of the jaw 6. Another gripper 42 is mounted on the spacer 38 with its inner end flush with the cutting edge of die 27 while a third gripper 43 is mounted on the spacer 39 with its inner edge flush with the cutting edge of die 31. When the grippers 36, 40, 42 and 43 are positioned above the several dies while in contact as in Figure 4, said grippers will engage the side faces of the head of the bolt being acted on, as shown in Figure 3. The grippers can be adjusted to bolt heads of different sizes in the same manner as the dies, the upper screws 25 being used for this purpose. The grippers, spacers and dies are all held firmly in their respective channels by clamping plates 44 held to the bolster plate by bolts 45.

ill

Secured to the bed plate beyond the jaw 6 and the end of the guides 2 is a guide tongue 46 for the heads of bolts, this tongue overhanging the wing 41 and jaw 6 and extending close to the ends of the guides 2 as shown. As before stated the jaw 6 is mounted to move back and-forth relativeto-the delivery ends of the guides 2 and to the dies. These dies are adjusted relative toeach other so that the space between their cutting edges will be equal to the size and shape of the bolt head to be trimmed. The grippers are similarly adjusted after which the structure is ready for operation. lVhen the jaw 6 with its die 82 is in retracted position a bolt B suspended between the guides is free to slide therefrom under the guide 46 and into position in front of the die 32. I The flashing on the bolt head will move onto the die 32 and beneath the gripper 36 while the shankof the bolt will come against the arcuate tongue 34. The bolt will move across the face of die 32 until one side of its head comes against the wing 41 of gripper 40 and during this movement, which takes place while the jaw 6 is moving toward the stationary dies, the bolt will tend to revolve so as to insure a flat side thereof coming against the gripper 41 and prevent a corner of the head from engaging and sliding along said gripper; he fiashing'will of course project between grip- 'per 40 and bolster plate 20 so that the bolt "willbe properly supported and as the die advances the head of the bolt will be slid to position snugly betweenthe four grippers 36, 40, 42 and 43 with the flashing pro jectilig between said grippers and the several dies thereunder. lVhile the bolt is thus held a plungerindi'cated generally at P andwhich can be operated by any suitable mechanism not shown,'is'moved downwardly against the I head H of the bolt so as to force it down= war'dly between the trimming dies. Thus the'fiashing, which is seated between the dies and the grippers thereover' will beheld in position While the bolt head is. forced down-- wardly through the flashing and through the openings 30' and119. IThe stripping oflthe flashing from the machine is of course effected after the feeding die 32 has moved back from the stationary dies prior to the repetition of the operation already described. While themecha'nism has been shown and described for use in connection with bolts having square heads it is to be understood that, if desired, the dies can be shaped for use with other shapes of heads. Forexample, and as shown in Figure 8', if a hexag onal bolt head is to be trimmed the intermediate'stationary die 47 can be formed with a cutting edge 48 designed to trim two faces of a bolt head while the movable die 49 can also be shaped to trim two faces. The side dies indicated at 50 would be used fortrimming the remaining two sides of the bolt head. This modified arrangement has been illustratedin Figure 8. In'Figure 9 two stationarydies 51 are shown in connection with the movable'die 52, each of the dies 51 and 52 being shaped to simultaneously trim two faces of a bolt head. Obviously octagonal bolt heads or bolt heads of any other c0nfigurationscan be trimmed by correspond ingly changing the shapes of'thecutting edges of the dies.

' What is claimed is: "'1; Ina bolt head trimming machine the combination with trimming dies and a movable die .for feeding a bolt head to position above the space between the dies, of grippers above and separate from the dies for receiving the bolt head therebetween, there being spaces between the dies and grippers for receivingt-he flashing upon the bolt head and means for adjusting the trimming dies independently of the grippers. p

2. In a bolt head trimming machine the combination with trimming dies, grippers above and spaced from the trimming dies said grippers beingseparate from the dies, and means for separately adjusting the dies and grippers, of a movable die and a gripper above and spaced from themovable die, said movable gripperconstituting means for directing a bolt head to position bet-ween the grippers and above the space defined by the trimming dies, the'spaces between the dies and the grippers being adapted to receive the dashing on a bolt head. i

3. In a trimming machine for bolt heads angularly' disposed trimming dies in lapped relation to each other, g'ri-pers thereabove and spaced therefrom, sai grippers being separate from the dies, means for separately adjusting the dies and grippers to bolt heads of 'difi'er'ent sizes, a movable trimming die, a gripper thereabove and spaced therefrom, said movable die and gripper constituting means for directing a bolt head between the othergrippers and with its flashing between said grippers and thedies thereunder.

4. In a trimming machine for bolt heads relatively adjustable normally stationary trimming dies having lapped ends, a movable die, grippers connected to the respective dies,

separate meansbetween the dies and grippers for spacing them apart a distance to receive the fiashlng of a bolt head, the movable die and its gripper constituting means for shifting a bolt head to position between the grippersofthe stationary dies with the flashing on-the bolt head between the dies and their grippers, all of the dies cooperating to sever the flashing in line with the respective faces of the bolt headwhensaid head is subjected to the action of a plunger.

5. The combination with a plunger, of normally stationary dies, grippers connected to the respective dies, spacers separate from and between the dies and grippers, a movable die, a gripper connected to and spaced from said die, said movable die and gripper constituting means for directing a bolt head into position between the first named grippers and in line with the plunger, the flashing of the bolt head being insertable between the dies and their grippers into the spaces provided by the spacers.

6. The combination with a plunger and relatively adjustable normally stationary dies adjacent the path of the plunger, of grippers connected to the respective dies, spacers separate from and between the dies and grippers, a movable die, a gripper connected thereto and spaced therefrom, said movable die and gripper constituting means for moving a bolt head into the space defined by the grippers to fill said space, the spaces provided between the dies and grippers by the spacers being adapted to receive the flashing on the bolt head.

7. In a bolt trimming machine the combination with an intermediate trimming die, of side trimming dies adjustable there'- against, said side trimming dies, when in contact with the intermediate die, being adapted to project beyond the cutting edge thereof to provide a bolt receiving recess, a movable trimming die shiftable against the side dies to close the recess, grippers connected to and adjustable with the respective dies, spacing means separate from the grippers and from the dies to provide spaces for the reception of a flashing on a bolt head, all of the grippers cooperating to fit snugly against the sides of a bolt head positioned therebetween.

8. The combination with relatively adjustable trimming dies normally stationary, and grippers connected to but spaced from the dies, of a movable member shiftable toward and from said dies, a trimming die carried thereby, a gripper movable with and spaced from said trimming die, all of the grippers being separable from the dies, means for directing the head of an untrimmed bolt laterally into the path of the movable gripper with the flashing of said head positioned between said gripper and the movable die, means for guiding the head of a bolt into posit-ion between the stationary grippers with its flashing between said grippers and their dies, and means for actuating the movable member and its die to direct the bolt head along the guides to position between the stationary grippers.

9. The combination with a channeled plate having a bolt receiving opening, of trimming dies within the respective channels in the plate, grippers for the respective dies, spacers between and separate from the dies and grippers providing flashing receiving spaces between the inner end portions of the dies and grippers, a movable die, a gripper movable therewith and spaced therefrom, and means for actuating the movable die and gripper for shifting the head of an unfinished bolt into position between the first named grippers with the flashing within the spaces.

10. The combination with a channeled member, there being a bolt receiving space therein, of trimming dies mounted within the channels, grippers mounted in said channels, spacers between and separate from the dies and grippers providing spaces between the active ends of the dies and grippers, separate means for adjusting the dies and grippers longitudinally relative to each other, a movable die, a gripper movable therewith and spaced therefrom, and means for actuating said gripper to direct an unfinished bolt head to position between the first named grippers with the flashing of the head between the dies and grippers.

11. The combination with relatively adjustable trimming dies and grippers connected to but spaced from the dies, of a movable die, a gripper spaced therefrom and movable therewith, and resilient means for shifting the movable gripper and die in one direction to move the head of an unfinished bolt to position within a space defined by all of the grippers and with the flashing of the head between the grippers and their dies.

12. The combination with trimming dies and grippers connected thereto and spaced therefrom, of a movable die, a gripper connected thereto and spaced therefrom, means for directing an untrimmed bolt laterally into position in the path of the movable die and gripper from one side of said path, means for guiding a bolt head to position between the first named grippers with its flashing between the grippers and their dies, said means including a member having an edge for sliding engagement by the bolt head, and means for actuating the movable gripper and the die to shift the bolt head along said edge and into the space defined by all of the grippers, said movable gripper and said edge cooperating to impart a partial rotation to the bolt head when presented there-to corner first.

13. The combination with trimming dies and grippers connected thereto and spaced therefrom, of a guide member leading to the space between the grippers, a deflecting member, a movable die and gripper, means for directing the head of an untrimmed bolt laterally against the deflecting member and the guiding means to position said head for sliding insertion into the space between the first named grippers, and means for actuating the movable die and gripper to direct the head along the guiding means into said space, said deflecting member and guiding means cooperating to frictionally engage a bolt head when presented thereto corner first and cause it to rotate when thrust by the movable gripper, thereby to feed the bolt head side first to the space defined by the stationary dies and grippers.

14. In a bolt trimming machine the combination with trimming dies normally stationary and contacting but adjustable relative to each other, of a movable member, a trimming die carried thereby, and resilient means for shifting said movable member to position its die across a bolt receiving space definied by all of the dies, said movable member and its die constituting means for feeding a bolt into said space and closing the space.

15. In a trimming machine the combination with normally stationary trimming dies adjustable relative to each other to form a space of any predetermined size for receiving the article to be trimmed, said space having an open side, of a movable trimming die for directing a bolt into said space through the open side and for closing said side irrespective of the size of the space to which the stationary dies have been adjusted.

16. In a trimming machine the combination with normally stationary trimming dies adjustable relative to each other to form a space of any predetermined size for receiving the article to be trimmed, said space having an open side, of a movable trimming die for directing a bolt into said space through the open side and for closing said side irrespective of the size of the space to which the stationary dies have been adjusted, all of said dies constituting means for supporting the flashing of the object being trimmed, and means carried by all of the dies and adjustable independently thereof l-nr extending over the flashing and gripping said object.

In testimony that I claim the foregoing as my own, I have hereto afiixed my signature.

WILLIAM L. CLOUSE. 

